Parasiticide



Patented Jan. 24, 1939 rmsmcmn David Walker Jayne, Jr., Elizabeth, N. 1., assignor to American Cyanamid Company, New York, N. Y., a corporation of Maine No Drawing. Application March 3, 1936, Serial No. 66,797

12 Claims. (Cl. 16737) This invention relates to a composition for treating fibrous materials such as wool against attack by moths and constitutes an improvement upon the subject matter of U. S. Patent 1,915,922. y In that patent, there has been proposed the treatment of fibrous material for the stated purpose with fatty acid salts of xii-substituted guanidines, specifically dixylyl guanidines. The procedure there proposed is to dissolve such material in a suitable solvent, such as a petroleum fraction and specifically naphtha. The wool or other fibrous material to be protectedis then treated with this solution, and the solvent permitted to evaporate.

When treating fibrous material with. the material of the above patent as above set forth, it.

has been found that in some instances the fibrous material has a greasy appearance or is greasy to the touch. This is due to the fact that the guanidine is used as a fatty acid salt.

The principal object of the present invention, therefore, is to take advantage of the mothproofing qualities of the di-substituted guanidines using, however, salts thereof which are not subject to the above objection but which, at the same time, are as good or better for the purpose specified.

It has been found that the phenolic salts of the di-substituted guanidines are particularly effective as mothproofing agents. Any di-substituted guanidine may be used as the base for the composition and particularly the diaryl compounds. Dixylyl guanidine is preferred.

$ Any of the hydroxy aryl salts of the di-substituted guanidines may be used for this purpose or the hydroxy alkyl aryl salts thereof. I particularly prefer a para tertiary alkyl phenolic salt such as the para tertiary amyl phenolic salt of 40 dimlyl guanidine because ofqtheir greater efllciency. Whichever salt is used, it is preferred to dissolve this material in a petroleum fraction such as naphtha or other solvent which may be readily evaporated.-

As a specific example of preparation of the materlal, three parts of dixylyl guanidine and two parts of para tertiary amyl phenol are mixed together and heated to to C. The mixture is then stirred at this temperatureuntil a clear 50 homogeneous resinous product is obtained. This product is the para tertiary amyl phenol salt of dixylyl guanidine. Ten parts of this material are then dissolved in 8 parts of monobutyl ether of ethylene glycol and this solution diluted with 182 parts of petroleum naphtha to give a solution to be used for mothproofing containing 5% 5 of the guanidine salt. This solution should then be applied to the fibrous material in the proportion of approximately 1 pound of the solution to 20 to 40 pounds of the fibrous material to give desirable mothproofing protection. The solvents 10 are then allowed to evaporate.

While the invention has been shown and described with reference to certain specific embodiments, it is to be understood that the invention is not to be limited thereto but is to be construed l5 broadly and limited only by the scope of the claims.

I claim:

1. A mothproofing composition containing a phenolic salt of a disubstituted guanidine. 20

2. A mothproofing composition containing a phenolic salt of a diaryl guanidine.

3. A mothproofing composition containing a phenolic salt of a dixylyl guanidine.

4. A mothproofing composition containing hydroxy aryl salt of a diaryl guanidine.

5. A mothproofing composition containing a hydroxy alkyl aryl salt of a diaryl guanidine.

6. A mothproofing composition containing a para tertiary alkyl phenolic salt of a diaryl guan- 3o idine.

7. A mothproofing composition .containing a para tertiary amyl phenolic salt of a diaryl guanidine.

8. A mothproofing composition containing a 35 para tertiary alkyl phenolic salt of a dixylyl guanidine.

9. A mothproofing composition containing a para tertiary amyl phenolic salt of dixylyl guanidine. I 40 10. A mothproofing composition containing a phenolic salt of a disubstituted guanidine in a volatile solvent.

11. A mothproofing composition containing a para tertiary amyl phenolic salt of dixylyl guani- 45 dine in a volatile solvent.

12. A mothproofing composition containing a para tertiary alkyl phenolic salt of dixylyl guani dine in a volatile solvent.

navm warm JAYNE, JR. 

